ABYC Electrical Exam Questions With 100% Pass
higher voltage increased capacity - Answer-2 or More batteries connected in series provides_________, or in parallel to provide_________
/.hydrogen - Answer-Batteries gas of what
/.the engine negative terminal or the DC main negative bus - Answ...
ABYC Electrical Exam Questions With
100% Pass
higher voltage increased capacity - Answer-2 or More batteries connected in series
provides_________, or in parallel to provide_________
/.hydrogen - Answer-Batteries gas of what
/.the engine negative terminal or the DC main negative bus - Answer-If an AC system is
installed the main AC system grounding bus shall be connected to what?
/.isolation transformer isolates all current crying AC system conductors and the AC
drowning conductor, Polarization transformers do not isolate the AC grounding
conductor. - Answer-Difference between an isolation transformer and polarization
transformer
/.800 100 - Answer-A battery switch shall be installed in the positive conductors from
each battery or battery bank with a CCA rating greater than _____amperes or _____Ah
if CCA is unavailable
/.green white - Answer-with 120Volt systems, the _______ and ________ get tied
together at an AC power source, but only at a source of AC power.
/.the inverter is operating in AC production mode - Answer-Inverters are only tied
together when......
/.10 feet - Answer-A standard based issue states that in shore power systems
overcorrect protection be located no more than ______ from the point of inlet into the
boat
/.Metal straps or clamps - Answer-All AC cables from the shore power inlet to the main
shore power breakers shall be in conduit or supported by means of____________
/.neutrals - Answer-Boats with more than one shore power inlet should never connect
________ together from multiple inlets.
/.Galvanic isolator - Answer-What is the only device permitted to be installed in series
with the AC grounding conductor
/.6 - Answer-Durring an installation of an galvanic isolator conductors shall be supported
and/or clamped to relive strain within ______inches of isolator case
, /.135 - Answer-The galvanic isolator shall be provided with wiring terminals or wire
leads for connection, having an ampacity that is __________ percent of its nominal
rating.
/.step up or step down voltage from one side of the transformer to the other - Answer-
Isolation transformers offer engineers the ability to do what?
/.automatically deals with dock-side polarity issues - Answer-What does a polarization
transformer automatically do?
/.Ungrounded black grounded white - Answer-Reverse polarity indicating devices shall
respond to the reversal of the ____________ and ________ conductors.
/.25,000 ohms - Answer-The total impedance of polarity indicating and production
devices connected between normal current carrying conductors and the grounding
conductor shall not be less than __________
/.Ideal SureTest - Answer-One tool used to confirm the integrity of electrical supply at
the dock is ________________
/.open neutral - Answer-In Split 240/120V systems one cause for AC equipment to fail
depending on unbalanced legs is.....
/.check voltage, verify correct engine rpm, check all connections and wire termination
positions for integrity - Answer-If there is low voltage at AC generator you should....
/.check frequency for normal range, if possible, adjust voltage regulator and verify
correct engine rpm and governor setting - Answer-if there is high voltage at AC
generator you should....
/.check slip rings they could be worn or burned - Answer-if there is erratic voltage at AC
generator you should....
/.check for cycling loads, If erratic with all loads off, check governor function - Answer-if
there is erratic frequency at AC generator you should.....
/.check the governor could be out of adjustment - Answer-if there is high frequency at
AC generator you should....
/.auxiliary set of windings called exciter windings - Answer-Brushless generators use
what
/.megohmmeter - Answer-A device used to confirm the integrity of the winding insulation
inside generator or motor is called a
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